QA1 Rear Pro Coilover Kit - Single Adjustable, 200 lbs/in Rate - 1973-1977 Pontiac Grand Prix bilstein-b6-performance-twintube-suspension-strut-assembly Part Number GSM40-71SS1 Part Name

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QA1 Rear Pro Coilover Kit - Single Adjustable, 200 lbs/in Rate - 1973-1977 Pontiac Grand Prix bilstein-b6-performance-twintube-suspension-strut-assembly Part Number GSM40-71SS1 Part NameQA1 offers bolt in Rear Coil Over Conversion Kits for the 1973 1977 Pontiac Grand Prix. These kits include specially designed USA made mounting brackets and single or double adjustable Aluminum Shocks, springs and all necessary hardware. Single Adjustable Shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1's double Adjustable Shocks provide 18 positions of compression adjustment and 18 positions of rebound